Momentum and Energy in Elastic Collisions (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What defines an elastic collision?
What defines an elastic collision?
Total kinetic energy is conserved
Which conservation laws must both be satisfied for a collision to be elastic?
Which conservation laws must both be satisfied for a collision to be elastic?
Momentum and kinetic energy
Why is Newton's cradle only approximately elastic?
Why is Newton's cradle only approximately elastic?
Energy lost to friction, air resistance
When can a perfectly elastic collision occur?
When can a perfectly elastic collision occur?
With field forces, no friction
In an elastic collision between equal masses, what happens to their velocities?
In an elastic collision between equal masses, what happens to their velocities?
They exchange velocities
Which equation applies to any collision, not just elastic ones?
Which equation applies to any collision, not just elastic ones?
When a ball collides elastically with Earth's surface, what is if is initial speed?
When a ball collides elastically with Earth's surface, what is if is initial speed?
Approximately how much can a sling-shot around Earth change a spacecraft's speed?
Approximately how much can a sling-shot around Earth change a spacecraft's speed?
m·s
When can a collision be modeled as elastic?
When can a collision be modeled as elastic?
When energy loss is small vs. total KE
What is always conserved in collisions, even if kinetic energy is not?
What is always conserved in collisions, even if kinetic energy is not?
Total momentum